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    Posts written by Mike Ichiriu

    Mike Ichiriu is VP of Marketing and Product at Zentera Systems, where he leads product strategy for the company, including its Zero Trust and agentic AI security initiatives.
    A Certified Cloud Security Professional (CCSP) and frequent speaker on enterprise security, Mike has 25+ years of experience across cybersecurity, networking silicon, and enterprise software, and holds 15 U.S. patents.

    What OpenAI Learned Containing Its Own Models, and What Enterprises Should Copy

    on October 27, 2026 | By Mike Ichiriu
    On September 20, an OpenAI research model exploited a misconfigured DNS resolver during a training run and gained limited access to the live internet. OpenAI contained it, paused training and evaluation of its most capable models, and resumed on ...
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    Zero Trust

    PHP2Shell: Where Zero Trust Segmentation Helps and Where It Doesn't

    on October 23, 2026 | By Mike Ichiriu
    On October 21, PHP released fixes for two critical vulnerabilities, CVE-2026-109618 and CVE-2026-109619. Both let an attacker run code on a web server without logging in. They affect PHP 5.4 through 8.5.11 and are rated CVSS 9.2. Details leaked the ...
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    AI agent security

    Implementing NVIDIA's Secure Agent Workspace Guidance Today

    on October 12, 2026 | By Mike Ichiriu
    In chip design and pharma R&D, AI agents now read source code, run tools, and query internal systems for hours with no one watching each step. The data they touch is the company's core IP.
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    AI

    13 Questions to Ask an AI Agent Security Vendor

    on September 29, 2026 | By Mike Ichiriu
    Sit through a few AI agent security demos and they start to look alike. There's an inventory of agents, a view of MCP servers, and a policy screen. What a demo rarely shows is how the product behaves when something goes wrong: where enforcement ...
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    AI agent security

    The AI Agent Kill Switch Is Expected. We Are Not Prepared.

    on September 22, 2026 | By Mike Ichiriu
    After the rapid spread and adoption of AI agents we've experienced in the past 18 months, enterprise security teams see a day coming when they have to pull them back. Yet most of them have not built a way to do it without stopping the whole fleet, ...
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    Cybersecurity

    Defense in Depth for AI Agents: The Harness and the Environment

    on July 31, 2026 | By Mike Ichiriu
    Updated August 31, 2026 with findings from OpenAI's August 26 technical report and the independent investigation by METR and Redwood Research. An earlier version described the intrusion as the work of a single agent.
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    Agentic AI

    The Weights Are Coming Home: Why Enterprises Are Moving AI On Premises, and Even On Device

    on July 29, 2026 | By Mike Ichiriu
    In June 2026, something crossed a line that I think we will look back on as a marker. Vercel, which routes production AI traffic for thousands of applications, reported that open-weight models were processing 29 percent of all tokens through its ...
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    AI

    Agentic attacks run at machine speed. Here's what you can do.

    on July 20, 2026 | By Mike Ichiriu
    Update, July 21, 2026: OpenAI has disclosed that the Hugging Face intrusion described below was carried out by its own models during an internal capability evaluation, not by an unknown attacker. This post has been revised to reflect that ...
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    Cybersecurity

    How to Secure AI Agent Access to Operational Technology

    on July 10, 2026 | By Mike Ichiriu
    Securing AI agent access to operational technology means treating every agent as an untrusted, unpredictable connection into an environment where failure has physical consequences, and enforcing the agent’s boundaries at the network layer rather ...
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    AI

    Rogue AI Agents: Why Policy Controls Are Not Enough

    on June 9, 2026 | By Mike Ichiriu
    The core issue for protecting against rogue AI agents is not what an AI agent knows. It is what the agent can reach.
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